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onflow / flow-evm-gateway

FlowEVM Gateway implements an Ethereum-equivalent JSON-RPC API for EVM clients to use
https://developers.flow.com/evm/about
Apache License 2.0
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Add evm_block_height metric #406

Closed illia-malachyn closed 3 months ago

illia-malachyn commented 3 months ago

This covers "EVM height should be submitted as a value on event ingestion"

Summary by CodeRabbit

coderabbitai[bot] commented 3 months ago

Walkthrough

The recent changes enhance the event ingestion process by integrating a metrics collector, improving tracking and reporting capabilities throughout event processing. Key modifications include updated function signatures to accept the metrics collector, a new method for handling EVM block heights, and enhancements to existing collectors, fostering a more robust system for monitoring events effectively.

Changes

File Change Summary
bootstrap/.../bootstrap.go Added collector parameter to Start and startIngestion functions for metrics tracking.
metrics/.../collector.go Introduced EvmBlockHeightUpdated method in Collector interface and DefaultCollector. Added a gauge for EVM block height.
metrics/.../noop_collector.go Added NewNoopCollector constructor and EvmBlockHeightUpdated, ApiErrorOccurred methods.
services/.../ingestion/engine.go Enhanced Engine struct with collector field and updated NewEventIngestionEngine to accept it. Added metrics reporting to processEvents.

Sequence Diagram(s)

sequenceDiagram
    participant Client
    participant Engine
    participant Collector

    Client->>Engine: Start processing events
    Engine->>Collector: EvmBlockHeightUpdated()
    Collector-->>Engine: Metrics recorded
    Engine-->>Client: Event processing complete

Poem

In the meadow where rabbits play,
New metrics gather, come what may.
With each event, we hop and bound,
Collecting heights from underground.
A joyful leap with every change,
Our data dance, forever strange! 🐇📊

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